The Pump Worx Silicone Power Pump will give you the size and confidence you've always dreamt about without any harmful side effects. With each squeeze of the medical-style pump ball, your pleasure rod will grow bigger, thicker, and swell with power. Once you penetrate the body-safe, soft silicone opening, you'll quickly discover throbbing, rock-hard erections that feel great and last and lastâ   with no midway performance letdowns! The clear vacuum tubes allow you to watch your cock grow, and the quick-release valve relieves pressure with a push of the button. The silicone sleeves feel great against your cock while it provides extra stimulation and a super-tight seal against your skin.